[CALCITE-4443] Add ILIKE operator (similar to LIKE, but case-insensitive, and PostgreSQL-specific)

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.27.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Julian Hyde
• Reporter: Ondřej Štumpf
• Created: 21/Dec/20 12:06
• Updated: 09/Aug/23 23:48
• Resolved: 08/Jan/21 01:29

Description

Extend the list of supported relational operators in SqlStdOperatorTable with ILIKE. The new ILIKE keyword should be unreserved and behave exactly like LIKE, but without case-sensitivity.

Issue Links

• relates to: CALCITE-5914 Cache compiled regular expressions in SQL function runtime
• relates to: CALCITE-4445 Create new conformance level for Postgresql
• relates to: CALCITE-3574 Add RLIKE operator (similar to LIKE, but Hive- and Spark-specific)
• links to: GitHub Pull Request #2303
• links to: GitHub Pull Request #2317